fueling speculation the couple might be having twins. royal watcher neil shawn joins us live from london with more on this. this type of morning sickness is very serious, only occurs in 2% of pregnant women but it does spark speculation she could be carrying twins. why? >> oh, thomas, i think that's a big speculation. that started this morning, actually, very early on in our news services over here. there's no word of that, of course, from royal palace or royal insiders or anything like that. the more worrying aspect is the fact that it's acute morning sickness as you mentioned is not necessarily too rare, but when you look at somebody of kate's shall we say frame, stature as it were, she's a very, very slim girl and not the biggest of eaters, so consequently, that's the main concern certainly for prince william and the royal family to build this girl up a little bit, make her stronger. >> when we talk about the buzz, obviously this has created a huge excitement for the royal family, neil, because so many people have been waiting for thi